1#ifndef A3000_H 2#define A3000_H 3 4/* $Id: a3000.h,v 1.1.1.1 2007/08/03 18:52:55 Exp $ 5 * 6 * Header file for the Amiga 3000 built-in SCSI controller for Linux 7 * 8 * Written and (C) 1993, Hamish Macdonald, see a3000.c for more info 9 * 10 */ 11 12#include <linux/types.h> 13 14int a3000_detect(struct scsi_host_template *); 15int a3000_release(struct Scsi_Host *); 16 17#ifndef CMD_PER_LUN 18#define CMD_PER_LUN 2 19#endif 20 21#ifndef CAN_QUEUE 22#define CAN_QUEUE 16 23#endif 24 25/* 26 * if the transfer address ANDed with this results in a non-zero 27 * result, then we can't use DMA. 28 */ 29#define A3000_XFER_MASK (0x00000003) 30 31typedef struct { 32 unsigned char pad1[2]; 33 volatile unsigned short DAWR; 34 volatile unsigned int WTC; 35 unsigned char pad2[2]; 36 volatile unsigned short CNTR; 37 volatile unsigned long ACR; 38 unsigned char pad3[2]; 39 volatile unsigned short ST_DMA; 40 unsigned char pad4[2]; 41 volatile unsigned short FLUSH; 42 unsigned char pad5[2]; 43 volatile unsigned short CINT; 44 unsigned char pad6[2]; 45 volatile unsigned short ISTR; 46 unsigned char pad7[30]; 47 volatile unsigned short SP_DMA; 48 unsigned char pad8; 49 volatile unsigned char SASR; 50 unsigned char pad9; 51 volatile unsigned char SCMD; 52} a3000_scsiregs; 53 54#define DAWR_A3000 (3) 55 56/* CNTR bits. */ 57#define CNTR_TCEN (1<<5) 58#define CNTR_PREST (1<<4) 59#define CNTR_PDMD (1<<3) 60#define CNTR_INTEN (1<<2) 61#define CNTR_DDIR (1<<1) 62#define CNTR_IO_DX (1<<0) 63 64/* ISTR bits. */ 65#define ISTR_INTX (1<<8) 66#define ISTR_INT_F (1<<7) 67#define ISTR_INTS (1<<6) 68#define ISTR_E_INT (1<<5) 69#define ISTR_INT_P (1<<4) 70#define ISTR_UE_INT (1<<3) 71#define ISTR_OE_INT (1<<2) 72#define ISTR_FF_FLG (1<<1) 73#define ISTR_FE_FLG (1<<0) 74 75#endif /* A3000_H */ 76